condition mean min max ZT0-3 68.249106095 60.47520747 76.02300472 ZT4-7 51.229417052500004 50.213810565 52.245023540000005 ZT8-11 57.541285002500004 48.952842915000005 66.12972709 ZT12-15 95.82811893499999 94.21818833999998 97.43804953 ZT16-19 113.53164455 109.73076744999999 117.33252165 ZT20-23 100.987278175 98.66132818 103.31322817